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Comparison of Perplexity: Sonar Deep Research, Together: Tev1 4B Experimental
2 modelsperplexityPerplexity: Sonar Deep ResearchRemove ×togethercomputerTogether: Tev1 4B ExperimentalRemove ×
What’s differentSonar Deep Research is a research-focused model designed for multi-step retrieval, synthesis, and reasoning across complex topics. It autonomously searches, reads, and evaluates sources, refining its…Tev1 4B Experimental is an experimental decision model from Together AI, a supervised fine-tune of Qwen3.5-4B trained to choose one option from a structured state, question, and list of 2-24...
DateMar 7, 2025ListedSep 30, 2026Listed
Listed rate$2.00 in / $8.00 out/ 1M tokensPerplexity · via OpenRouter · all routes ↗perplexity$0.042 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗
Provider endpoints2 endpoints →1 endpoint →
Context window128K32.8K
Max output115.2K8
Parameters—4B
ReasoningSupportedNot reported
Open weightsNot reportedSupported

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